Home / 5,329.94-7,355.36-2,939.98

Finding the Fourth Proportional to 5,329.94, 7,355.36 and 2,939.98

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Solution

The fourth proportional to 5,329.94, 7,355.36 and 2,939.98 is: 4,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.94 : 7,355.36 = 2,939.98 : x
  2. Step 2: Convert to fraction form
    5,329.94/7,355.36 = 2,939.98/x
  3. Step 3: Cross multiply
    5,329.94x = 7,355.36 × 2,939.98
  4. Step 4: Simplify right side
    5,329.94x = 21,624,611.29
  5. Step 5: Solve for x
    x = 21,624,611.29/5,329.94
  6. Step 6: Final answer
    x = 4,057.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.